impseq.m

数字信号处理（西安电子科技大学出版社）实验一的程序

function [x,n]=impseq(n0,n1,n2)
%Generate x(n)=delta(n-n0);n1<=n,n0<=n2
%[x,n]=impseq(n0,n1,n2)
%
if ((n0<n1)|(n0>n2)|(n1>n2))
    error('arguments must satisfy n1<n0<=n2')
end
n=n1:n2;
x=[(n-n0)==0];